Ref1

https://books.google.com.my/books?id=Q8xgM8Hf_L8C&pg=PT345&lpg=PT345&dq=luffa+cylindrica+intercropping&source=bl&ots=mLbOtV-PvM&sig=ACfU3U34VOus8kh1oYulGTn3cc_kSPg5Pg&hl=en&sa=X&ved=2ahUKEwjvitbu3bLoAhXCWisKHeSlAwYQ6AEwEHoECAsQAQ#v=onepage&q=luffa%20cylindrica%20intercropping&f=false